In a message dated 3/23/02 6:20:39 AM Pacific Standard Time,
cfchrist@earthlink.net writes:
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> umm, i was checking the H-modified listing. 850cc and under ..up to1965?
> if memory serves me right H-mod was a 750cc class limit up to 67 with a
> change in 68 to 850cc class limit just before SCCA changed the class to what
> is known today as D modified? if i am incorrect could someone please check
> an old GCR as to what year the displacement changed from 750cc to 850cc?
> if the desire is to be historically correct something seems wrong in the
> displacement / cut off year for H-mod and G-mod?
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OK, Chuck; here is what I have determined:
1957: Two categories- J-K production and A-K sports (aka modified)
H modified was 500-750cc
1962: Modified category C-H
CM over 3000
DM 2000-3000
EM 1600-2000
FM 1100-1600
GM 750-1100
HM under 750
1964: Modified category; C-H
FM 1150-1600
GM 850-1150
HM under 850
1965: Sports Racing category; C-H
1966: Sports racing category; A-D
ASR over 2000
BSR 1300-2000
CSR 850-1300
DSR under 850
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